<!DOCTYPE html>
<html lang="zh">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>{{ page_title }}</title>
    <!-- 引入 BootCSS -->
    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css" rel="stylesheet">
    <style>
        .highlight {
            color: #DC3545;
            font-weight: bold;
        }
        .section-title {
            border-bottom: 3px solid #DC3545;
            display: inline-block;
            margin-bottom: 20px;
            padding-bottom: 5px;
        }
        .alert-icon {
            font-size: 1.5rem;
            margin-right: 10px;
        }
    </style>
</head>
<body>
    <div class="container mt-5">
        <!-- 页头 -->
        <header class="text-center mb-4">
            <h1 class="display-4">{{ page_title }}</h1>
            <p class="lead text-muted">{{ page_description }}</p>
        </header>

        <!-- 主体内容部分 -->
        <main>
            {% block content %}
            <!-- 页面具体内容在这里填充 -->
            {% endblock %}
        </main>

        <!-- 页脚 -->
        <footer class="text-center mt-5">
            <p class="text-muted">© 2024 信息科技课堂</p>
        </footer>
    </div>

    <!-- 引入 BootCSS 脚本 -->
    <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/js/bootstrap.bundle.min.js"></script>
</body>
</html>
